Earth" brought a shipload of xenomorphs and other space horrors, but hybrids may be the biggest mystery of the show so far.

Ancient Lost Worlds and Hidden History. On location videos made by author and adventurer Brien Foerster exploring Peru, ...

Earth is dotted with humongous, human-made structures that, to an alien eye, may be tell-tale signs of intelligent goings-on.

Scientists identify 45 potentially habitable exoplanets, using exact data and quotes to guide future telescopes in the search ...

A skull fragment discovered over fifty years ago on the banks of the Elbe River in Germany has finally yielded its secrets. Long considered by some researchers to be a rare Neanderthal-modern human ...